3
Manual Tuning
1. Choose the RANGE box and then push
the left or right button as appropriate to
choose the 48-mile range.
2. If using automatic tuning, choose TUNE
AUTO at the top of the screen and then
push the left button to show TUNE MAN.
3. Place the arrow on the tuning bar area in
the TUNE box.
4. Roll the wheel to adjust tuning. The best
tuning point is where the bar graph swings
maximum.
Choosing a Display Mode
1. Choose the DISPLAY MODE box.
2. Push the left button to choose appropriate
mode: radar or radar + plotter.
Choosing a Presentation Mode
1. Choose the PRESENTATION MODE box.
2. Push the left button to choose desired
mode.
Choosing a Range
1. Choose the RANGE box.
2. Push the right or left button to change the
range.
Adjusting Sensitivity
1. Choose the gain level indicator.
2. Roll the wheel downward to increase the
gain or upward to decrease it.
Automatic Adjustment of Sea
Clutter
1. If using manual sea clutter, choose SEA
MAN and then push the left button to show
SEA AUTO.
2. Place the arrow in the A/C SEA level
indicator.
3. Roll the wheel downward to increase the
A/C SEA or upward to decrease it.
Adjusting A/C RAIN
1. Place the cursor in the A/C RAIN level
indicator.
2. Roll the wheel downward to increase the
A/C RAIN or upward to decrease it.
Suppressing Interference
1. Choose the PICTURE box.
2. Push the right button to show the
PICTURE menu.
3. Choose 1 INT REJECT and then push the
wheel.
4. Choose rejection level desired and then
push the wheel.
5. Push the right button to close the menu.
Measuring the Range
1. Place the arrow in the VRM1 or VRM2
box.
2. Push the left button to turn on the VRM.
3. Push the left button again.
4. Roll the trackball (coarse adjustment) or
wheel (fine adjustment) to align the active
variable range marker with the inner edge
of the target of interest.
To erase a VRM, choose the appropriate
VRM readout box and then push the left
button until the VRM disappears from the
screen.
Measuring the Bearing
1. Choose the EBL1 or EBL2 box.
2. Push the left button.
3. Push the left button again.
4. Roll the trackball (coarse adjustment) or
wheel (fine adjustment) to bisect the target
with the EBL.
To erase an EBL, choose the appropriate
EBL readout box and then push the left
button until the EBL disappears from the
screen.